package chap_2_elementary_programming;

public class Listing_2_1_ComputeArea {
	public static void main(String[] args) {
		double radius;
		double area;
		
		radius = 20;
		area = 3.14 * radius * radius;
		System.out.println("The radius is: " + radius + ", area = " + area);		
	}
}
